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Cylinder tubes, piston rods and piston tubes

Seamless cylinder-tubes and piston rods

Cylinder tubes are cold-drawn tubes with a reworked inner diameter to achieve a tolerated fit according to the ISO standard. 

Hard chromium plated piston rods and piston tubes are the counterparts which meet the requirements of the ISO standard with regard to outside diameter.

These ready-to-install components are used in hydraulics and pneumatics.

Seamless cold drawn cylinder tubes (HP)

Outer diameter according to EN 10305-1

Material

E355+SR

Dimensions

ID: 20.00 mm à 180.00 mm
AD: 25.00 mm à 220.00 mm
s: 2.50 à 20.00 mm

Tolerances 

Bore honed/rolled H8

Production lenghts

4 - 12 meters

Seamless hot rolled thick wall tubes drilled out and honed

Outer diameter according to EN 10297-1

Material

E355 / S355J2H

Dimensions*

ID: 60.00 bis 600.00 mm
AD: 76.10 bis 660.40 mm
s: 8.00 bis 85.00 mm

Tolerances 

Bore honed/rolled H8

Production lenghts

4 - 10 meters

* we are happy to offer you your personal dimensions, please do not hesitate to contact us - contact form

Datasheets for cylinder tubes

Download as PDF file

Hard chromium plated piston rods

Tolerances: Diameter f7 (ø ≤ 18 mm: f8), Roundness ≤ ½ the tolerance of the Ø, Straightness ø ≤ 16 mm: ≤ 0.3 mm/m ø ≥ 18 mm: ≤ 0.1 mm/m
Chromium layer:
Thickness ø ≤ 18 mm: ≥ 14 μm, ø ≥ 20 mm: ≥ 20 μm, Roughness Ra max. = 0.2 μm, Hardness HV 0.1 ≥ 900 HV

Material


20MnV6: good weldability

Dimensions

d: 8.00 - 220.00 mm


C45 / Ck45: conditionally weldable


d: 6.00 - 220.00 mm


42CrMo4V: conditionally weldable


d: 14.00 - 125.00 mm


1.4301: stainless steel, corrosion resistant


d: 6.00 - 50.00 mm

Induction hardened piston rods

Diameter: f7 (ø ≤ 18 mm: f8), Roundness ≤ ½ the tolerance of the Ø, Straightness ≤ 0.2 mm/m
Chromium layer: Thickness ø ≤ 18 mm: ≥ 14 μm, ø ≥ 20 mm: ≥ 20 μm, Roughness Ra max. = 0.2 μm, Hardness HV 0.1 ≥ 900 HV
Hardness: ø ≤ 16 mm: 0.5...1.0 mm, ø 18...40 mm: 1.0...2.0 mm, ø 42...80 mm: 1.25...2.5 mm, ø > 80 mm: 2.0...3.0 mm, Surface hardness Ck45: 55...60 HRC

Material


C45 / CK45

Dimensions


d: 12.00 - 200.00 mm

Hard chromium plated piston tubes

Tolerances: Diameter: f7, Straightness: ≤ 0.5 mm/m
Chromium layer: Thickness: 25 μm +/- 5 μm, Roughness: Ra max. = 0.25 μm

Material

E355+SR or +N

Dimensions

AD: 12.00 - 130.00 mm
s: 3.00 mm - 12.50 mm

The technical specifications regarding geometry and chrome layer can vary according to provenance.

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